pope benedict xvi says age and deteriorating health are forcing him to step down. the 85-year-old will remain pope until february 28. shortly after, the college of cardinals will gather to elect a new pope. so who will be the next pontiff? cardinals have always at least in the last several centuries picked a european. but this time, those considered contenders include cardinals from canada, ghana and nigeria. benedict enforced the church's conservative doctrine to the joy of some, the dismay of others. reporter david jackson asks, which way will the church go next? >> reporter: the next pope is expected to have a decidedly easier path ahead of him. the sex scandal came to light under pope john paul ii. they say now look for youth, a conservative vision and most likely, a european. >> the numbers are really stacked toward the europeans. unless there's some kind of inspirational moment where someone kind of just steps out of the pack -- by that i mean someone who speaks languages, knows the global world, it's a very difficult job description. >> reporter: but maybe n